CVE-2025-30417

7.8 HIGH

📋 TL;DR

A memory corruption vulnerability in NI Circuit Design Suite's SymbolEditor allows attackers to execute arbitrary code or disclose information by tricking users into opening malicious .sym files. This affects users of NI Circuit Design Suite 14.3.0 and earlier versions who open untrusted symbol files.

💻 Affected Systems

Products:
  • NI Circuit Design Suite
Versions: 14.3.0 and prior versions
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability is triggered through the SymbolEditor component when processing .sym files. Requires user interaction to open malicious files.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with arbitrary code execution leading to complete control of the affected system, data theft, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation or information disclosure from the current user's context, potentially leading to credential theft or further exploitation.

🟢

If Mitigated

Limited impact if proper application whitelisting and user training prevent execution of malicious files, with potential for application crash only.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires social engineering to get users to open malicious .sym files. No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: NI Circuit Design Suite 14.3.1 or later

Vendor Advisory: https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/memory-corruption-vulnerabilities-in-ni-circuit-design-suite.html

Restart Required: Yes

Instructions:

1. Download the latest version from NI's official website. 2. Run the installer with administrative privileges. 3. Follow the installation wizard. 4. Restart the system after installation completes.

🔧 Temporary Workarounds

Restrict .sym file handling

windows

Block or restrict opening of .sym files through application control policies or file association changes

User awareness training

all

Train users to only open .sym files from trusted sources and verify file integrity

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of unauthorized files
  • Use network segmentation to isolate systems running vulnerable software from critical assets

🔍 How to Verify

Check if Vulnerable:

Check NI Circuit Design Suite version in Help > About menu. If version is 14.3.0 or earlier, the system is vulnerable.

Check Version:

Not applicable - check through application GUI Help > About menu

Verify Fix Applied:

Verify version is 14.3.1 or later in Help > About menu after patching.

📡 Detection & Monitoring

Log Indicators:

  • Application crashes in NI Circuit Design Suite SymbolEditor
  • Unexpected process creation from NI Circuit Design Suite

Network Indicators:

  • Unusual outbound connections from NI Circuit Design Suite process

SIEM Query:

Process creation where parent process contains 'Circuit Design' AND (command line contains '.sym' OR image path contains 'SymbolEditor')

🔗 References

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